Best Booking Appointments Invoice Apps

231+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated June 2026

Whether you're new to booking appointments invoice or looking for an upgrade, our curated collection of 231+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Booking Appointments Invoice

Booksy Biz: Booking & Payments#1

Booksy Biz: Booking & Payments by Booksy International sp. z o.o.

Business management on the go
Editor's Choice
💼 Business
4.5😐(14K ratings)
FreeAdsIn-App Purchases
#18in Business
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Booksy Biz: Booking & Payments screenshot 6

Manage your business appointments, clients, payments, and marketing from your mobile device. This app helps you streamline operations, reduce no-shows, and grow your client base through online bookings and promotional tools.

What We Love

  • 💯 Great app
  • 🚀 Easy to use
  • 👍 User-friendly
  • 🔥 Excellent for barbers

Room to Improve

  • 🐛 Glitches and bugs
  • 🕰️ Slow payouts
  • 💲 Expensive subscription
Square Invoices: Invoice Maker#2

Square Invoices: Invoice Maker by Block, Inc.

Invoicing, Estimates, Bills
Strong Contender
💼 Business
4.8😐(92K ratings)
FreeAdsIn-App Purchases
#98in Business
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Create and send professional invoices and estimates quickly. Accept various payment methods, send automatic reminders, and track payments in real-time. Manage your business finances efficiently on the go.

What We Love

  • 🚀 Easy to use
  • 🚀 Convenient for small businesses
  • 🚀 Great for invoicing and payments
  • 🚀 Seamless integration with other Square products

Room to Improve

  • 🐛 Buggy and unreliable
  • 🔒 Concerns about account deactivation and fund holds
  • 💰 High processing fees
Fresha for customers#3

Fresha for customers by Fresha.com Holding Inc.

Book your appointments
Worth Considering
🌟 Lifestyle
4.9😐(53K ratings)
Free
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Easily discover and book appointments for hair, beauty, spa, and wellness services. View real-time availability, secure instant confirmations, and manage your bookings with flexibility. Find exclusive discounts and navigate to your appointments with ease.

What We Love

  • 👍 Convenient and easy to use
  • 🚀 Smooth and easy process
  • 💯 Professional and friendly service
  • 🚀 Easy access and navigation

Room to Improve

  • 🐛 App not working after updates
  • 🐛 Unable to reschedule or cancel appointments
  • 🐛 Unexpected errors and login issues

More Booking Appointments Invoice apps to explore

4
Invoice & Estimate Maker
Invoice & Estimate Maker
Invoice & Estimate Maker
Create Professional Invoices
Free

Quickly generate professional invoices and estimates for your clients. Customize templates with your business details, add unlimited customers and services, and track payments on the go. Convert estimates to invoices with a single tap.

Create invoices and estimatesCustomize company details and logoUnlimited customers, products, and services
💼 Business
(11K)
subscription
5
Appointments & Booking: Billdu
Appointments & Booking: Billdu
Appointments & Booking: Billdu
Booking, Scheduling, Payments
Free

Streamline your business operations with a platform for scheduling appointments, sending automated reminders, and processing payments. Offer clients 24/7 online booking and manage your team's schedules efficiently from any device.

24/7 online bookingAutomated appointment remindersSeamless payment processing
💼 Business
(208)
free with in-app purchases
6
DaySmart Appointments
DaySmart Appointments
DaySmart Appointments
Formerly AppointmentPlus
Free

Manage your business appointments and customer information on the go. Create, update, and cancel appointments, add new clients, and send reminders. Ideal for service-based businesses needing flexible scheduling.

Manage appointments and reserve timesCreate, view, update, and delete customersAdd new customers during appointment booking
📊 Productivity
(321)
free
7
Bookedin for Business
Bookedin for Business
Bookedin for Business
Easy online booking system
Free

This app simplifies appointment and class scheduling for businesses. It offers a secure, easy-to-use platform for managing bookings, staff availability, and client communication. Features include online payment collection, automated reminders, and client history tracking.

Secure online schedulingManage staff availabilityOne-click client booking
💼 Business
(494)
free with in-app purchases
8
Invoice Maker App -InvoiceBase
Invoice Maker App -InvoiceBase
Invoice Maker App -InvoiceBase
Make Invoice & Estimate Easily
Free

Create professional invoices and estimates quickly and easily. This app helps small business owners and freelancers manage billing, track payments, and send documents to clients on the go. Customize with your logo and preferred formats.

Create professional estimates and invoicesConvert estimates to invoicesManage billing and payment status
💼 Business
(2.1K)
free with in-app purchases
9
Tiny Invoice - Invoice Maker
Tiny Invoice - Invoice Maker
Tiny Invoice - Invoice Maker
Estimates & Invoices Creator
Free

Create, send, and track professional invoices and estimates quickly. Customize templates, add company branding, and manage payments with smart accounting features. Keep your business finances organized and get paid faster.

Customizable invoice templatesAdd company logo and brandingAutomatic calculation of totals
💼 Business
(10K)
subscription
10
Invoice Generator - Zoho
Invoice Generator - Zoho
Invoice Generator - Zoho
Simple & Professional Invoices
Free

Easily create and share professional invoices from your mobile device. Save customer and item details, track payment statuses, and add your logo. Auto-generates invoice numbers and offers cloud backup.

Create invoices on the goAuto-generate invoice numbersAdd and auto-fill customer details
💼 Business
(16K)
free
11
Invoice Maker ▸ Estimate App
Invoice Maker ▸ Estimate App
Invoice Maker ▸ Estimate App
Simple Invoices Generator Tofu
Free

Create, send, and manage professional invoices and estimates quickly. This app helps freelancers and small businesses track payments, organize client information, and generate reports for bookkeeping. Get paid faster and maintain a professional image with customizable templates.

Create invoices and estimates quicklySend via email or messengersAttach photos to estimates
💼 Business
(35K)
freemium
12
Appointment Booking System
Appointment Booking System
Appointment Booking System
by Gunia UG (haftungsbeschrankt)
Free

Quickly create a customer booking website in minutes. Customers can view available slots and book appointments online. Receive instant notifications for new bookings.

Quick setupCustomer booking websiteReal-time notifications
💼 Business
(21)
freemium
13
Invoice Manager
Invoice Manager
Invoice Manager
AI Powered App For Businesses
$29.99

Streamline your business operations with AI-powered invoice creation, instant receipt processing, and automated time and mileage tracking. This app helps freelancers, contractors, and business owners save time on administrative tasks and gain valuable financial insights.

AI-powered invoice creationInstant receipt scanning and categorizationAutomated GPS mileage tracking
💼 Business
(0)
free with in-app purchases
14
SetTime Appointment Scheduler
SetTime Appointment Scheduler
SetTime Appointment Scheduler
Calendar & Booking planner
Free

This app simplifies appointment booking and management for businesses. It offers a free online booking page, automated reminders, and calendar synchronization. Paid plans unlock advanced features like SMS reminders, customizable booking pages, and expense tracking.

Appointment schedulingOnline booking pageAutomated reminders
💼 Business
(86)
freemium
15
Invoice Maker Manager On Fly
Invoice Maker Manager On Fly
Invoice Maker Manager On Fly
Invoice Maker Contractor Wage
Free

Create professional invoices and estimates quickly and easily. Customize templates with your company logo and send them to clients in PDF or PNG format. Manage clients, items, taxes, and discounts all in one place.

Create custom invoices and estimatesSave templates in PDF and PNGMultiple business profiles
💼 Business
(171)
free with in-app purchases
16
Invoice Maker・Billing App
Invoice Maker・Billing App
Invoice Maker・Billing App
Convert estimates into invoicе
Free

Create and share professional invoices and estimates quickly from any device. Save time on paperwork, stay organized, and get paid faster with customizable branding and payment options. Focus on your business while this app handles your billing.

Create invoices and estimates quicklyConvert estimates to invoicesSave product/service details
💼 Business
(7.2K)
free with in-app purchases
17
Keepon - Bookings & Payments
Keepon - Bookings & Payments
Keepon - Bookings & Payments
#1 Appointment Booking System
Free

Manage appointments, payments, and client relationships with this comprehensive business administration tool. Streamline bookings, track finances, and offer custom branding to grow your client base.

Online booking systemOne-on-one and group appointmentsProduct and service management
💼 Business
(27)
free with in-app purchases
18
Ovatu
Ovatu
Ovatu
#1 Booking App
Free

This powerful booking software provides appointment-based businesses with advanced scheduling features. It offers comprehensive customer lifecycle management and a toolkit for managing appointments, designed for ease of use and business growth.

Online bookingReminders & marketingPayment & POS
💼 Business
(4)
free
19
Invoo: AI Estimates & Invoices
Invoo: AI Estimates & Invoices
Invoo: AI Estimates & Invoices
Mobile invoicing made easy
Free

Create professional invoices and AI-powered estimates quickly from your mobile device. Streamline your billing process with a simple interface designed for on-the-go use, ensuring faster payments and clear client understanding.

AI-powered estimates from job descriptionsProfessional invoices in secondsFast, easy invoice creation
📊 Productivity
(245)
freemium
20
Invoice Maker by SPK
Invoice Maker by SPK
Invoice Maker by SPK
Estimate Invoice Maker
Free

Create and send professional PDF invoices and estimates quickly and easily. This ad-free, watermark-free app is ideal for small business owners, consultants, and freelancers on the go. Customize templates, track clients, and manage your billing efficiently.

Create unlimited invoices and estimatesNo ads or watermarksCustomizable invoice fields
💼 Business
(873)
free with in-app purchases